From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [PATCH v3 3/7] max8903: cleans up confusing relationship between dc_valid, dok and dcm. Date: Fri, 17 Jun 2016 08:42:09 +0200 Message-ID: <57639BC1.4060604@samsung.com> References: <1464849897-21527-3-git-send-email-chris@lapa.com.au> <1466139626-51434-1-git-send-email-chris@lapa.com.au> <1466139626-51434-4-git-send-email-chris@lapa.com.au> <57639832.6000201@samsung.com> <32bde516-87b5-bb63-c6a3-1ec043758904@lapa.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: In-reply-to: <32bde516-87b5-bb63-c6a3-1ec043758904@lapa.com.au> Sender: linux-kernel-owner@vger.kernel.org To: chris@lapa.com.au, dwmw2@infradead.org, dbaryshkov@gmail.com, sre@kernel.org, mark.rutland@arm.com, robh+dt@kernel.org Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org List-Id: devicetree@vger.kernel.org On 06/17/2016 08:28 AM, Chris Lapa wrote: > On 17/06/2016 4:26 PM, Krzysztof Kozlowski wrote: >> On 06/17/2016 07:00 AM, Chris Lapa wrote: >>> From: Chris Lapa >>> >>> The max8903_charger.h file indicated that dcm and dok were not optional >>> when dc_valid is set. >>> >>> It makes sense to have dok as a compulsory pin when dc_valid is given. >>> However dcm can be optionally wired to a fixed level especially when the >>> circuit is configured for dc power exclusively. >>> >>> The previous implementation already allowed for this somewhat, >>> however no >>> error was given if dok wasn't given whilst dc_valid was. >>> >>> The new implementation enforces dok presence when dc_valid is given. >>> Whilst >>> allowing dcm to be optional. >>> >>> Signed-off-by: Chris Lapa >>> --- >>> drivers/power/max8903_charger.c | 23 ++++++++++------------- >>> include/linux/power/max8903_charger.h | 6 +++--- >>> 2 files changed, 13 insertions(+), 16 deletions(-) >>> >>> diff --git a/drivers/power/max8903_charger.c >>> b/drivers/power/max8903_charger.c >>> index 0a5b0e1..dbd911c4 100644 >>> --- a/drivers/power/max8903_charger.c >>> +++ b/drivers/power/max8903_charger.c >>> @@ -211,27 +211,24 @@ static int max8903_probe(struct platform_device >>> *pdev) >>> } >>> >>> if (pdata->dc_valid) { >>> - if (pdata->dok && gpio_is_valid(pdata->dok) && >>> - pdata->dcm && gpio_is_valid(pdata->dcm)) { >>> + if (pdata->dok && gpio_is_valid(pdata->dok)) { >>> gpio = pdata->dok; /* PULL_UPed Interrupt */ >>> ta_in = gpio_get_value(gpio) ? 0 : 1; >>> + } else { >>> + dev_err(dev, "When DC is wired, DOK should" >>> + " be wired as well.\n"); >> >> Just found one nit. Don't split the strings. >> dev_err(dev, >> "When DC is wired, DOK should be wired as well.\n"); > I saw that one as well when I ran checkpatch, however I thought if I > changed it then I would get a warning about the line being > 80 chars. > So wasn't sure which direction to go. Checkpatch shouldn't complain on strings so if you move the string to next line, it should be ok. Best regards, Krzysztof